Environment Polarity Effects on Spectral Properties and Dipole Moments of Fluorescein Disodium DOI Creative Commons

M. Khadem Sadigh

Dunyā., Год журнала: 2023, Номер 17(1), С. 11 - 20

Опубликована: Янв. 1, 2023

Xanthene and its derivatives are important in medical diagnosis laser technology.In this work, spectral features of fluorescein disodium were investigated different environments with polarity characteristics.Hence, the absorption fluorescence spectra molecule studied environments.Our resultsshow that depend strongly on substituents structure molecular interactions.To investigate contribution various interactions behavior used sample, linear solvation energy relationship concept is used.Moreover, dipole moment variations from ground to excited states estimated using solvent media.According results, value state higher than state.

Язык: Английский

Recent advances in the design and applications of near-infrared II responsive small molecule phototherapeutic agents DOI
Dandan Ma, Hui Bian,

Mingrui Gu

и другие.

Coordination Chemistry Reviews, Год журнала: 2024, Номер 505, С. 215677 - 215677

Опубликована: Янв. 31, 2024

Язык: Английский

Процитировано

46

Antibacterial PLA/Mg composite with enhanced mechanical and biological performance for biodegradable orthopedic implants DOI
Hyun Lee,

Da Yong Shin,

Yuhyun Na

и другие.

Biomaterials Advances, Год журнала: 2023, Номер 152, С. 213523 - 213523

Опубликована: Июнь 16, 2023

Язык: Английский

Процитировано

36

Nanomaterials‐Enabled Physicochemical Antibacterial Therapeutics: Toward the Antibiotic‐Free Disinfections DOI
Zhenyu Xing, Jiusi Guo, Zihe Wu

и другие.

Small, Год журнала: 2023, Номер 19(50)

Опубликована: Авг. 25, 2023

Abstract Bacterial infection continues to be an increasing global health problem with the most widely accepted treatment paradigms restricted antibiotics. However, overuse and misuse of antibiotics have triggered multidrug resistance bacteria, frustrating therapeutic outcomes, leading higher mortality rates. Even worse, tendency bacteria form biofilms on living nonliving surfaces further increases difficulty in confronting because extracellular matrix can act as a robust barrier prevent penetration resist environmental damage. As result, inability eliminate often leads persistent infection, implant failure, device Therefore, it is paramount importance develop alternative antimicrobial agents while avoiding generation bacterial large‐scale growth resistance. In recent years, nano‐antibacterial materials played vital role antibacterial field their excellent physical chemical properties. This review focuses new physicochemical strategies versatile nanomaterials, especially mechanism types 2D nanomaterials. addition, this advanced provides guidance development direction antibiotic‐free disinfections future.

Язык: Английский

Процитировано

30

Development of D–A–D‐Type NIR‐II Photothermal Agents for Synergistic Eradication of Multidrug‐Resistant Bacteria and Promoting Diabetic Wound Healing DOI
Ji Liu,

Yuxin Wang,

Weijie Gao

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 29, 2024

Abstract The challenge in treating diabetic foot infections caused by drug‐resistant bacteria is rapidly eradicating and accelerating wound healing. NIR‐II‐induced photothermal therapy (PTT) offers notable advantages over conventional treatments, such as broad‐spectrum bactericidal efficacy, better penetration depth biological tissues, higher skin tolerance thresholds, making it particularly suitable for addressing infections. Herein, found that NIR‐II dye IR26 exhibited good effects but poor stability. By modifying with methoxy triphenylamine groups, a novel D–A–D‐type small molecule agent (IRC) developed, high stability conversion efficiency (44.3%). IRC maximum absorption wavelength of 1166 nm emission 1238 nm. However, PTT alone cannot effectively promote Therefore, nanoplatforms (Cur‐IRC@PCM) are developed coloading curcumin, natural wound–healing compound, into thermosensitive liposomes to treat MRSA‐infected wounds. Under 980 laser irradiation, Cur‐IRC@PCM provided controlled the precise release synergizing eradicate accelerate closure. intelligent antibacterial also exhibits excellent biocompatibility, rendering promising therapeutic tool biomedical fields combating bacterial

Язык: Английский

Процитировано

16

Thermal‐Accelerated Urease‐Driven Bowl‐Like Polydopamine Nanorobot for Targeted Photothermal/Photodynamic Antibiotic‐Free Antibacterial Therapy DOI
Yu Liu, L. Zhang, Feng Ouyang

и другие.

Advanced Healthcare Materials, Год журнала: 2024, Номер 13(17)

Опубликована: Март 23, 2024

The problem of antibiotic resistance seriously affects the treatment bacterial infections, so there is an urgent need to develop novel antibiotic-independent antimicrobial strategies. Herein, a urease-driven bowl-like mesoporous polydopamine nanorobot (MPDA@ICG@Ur@Man) based on single-wavelength near-infrared (NIR) remote photothermal acceleration achieve antibiotic-free phototherapy(photothermal therapy, PTT, plus photodynamic PDT) first reported. smart nanorobots can perform active movement by decomposing urea produce carbon dioxide and ammonia. Particularly, elevated local temperature during PTT increase urease activity enhance autonomous thus contact between substance bacteria. Compared with nanomotor propelled only, diffusion coefficient (D

Язык: Английский

Процитировано

12

Advances in organic nano-architectures based on NIR-II small-molecule fluorophores for biomedical imaging and therapy DOI
Hui Bian, Dandan Ma, Yi Nan

и другие.

Coordination Chemistry Reviews, Год журнала: 2025, Номер 534, С. 216551 - 216551

Опубликована: Март 4, 2025

Язык: Английский

Процитировано

2

Biomimetic Platelet Nanomotors for Site-Specific Thrombolysis and Ischemic Injury Alleviation DOI
Yanting Chen, Chia‐Hung Liu,

Wen‐Yu Pan

и другие.

ACS Applied Materials & Interfaces, Год журнала: 2023, Номер 15(27), С. 32967 - 32983

Опубликована: Июнь 29, 2023

Due to the mortality associated with thrombosis and its high recurrence rate, there is a need investigate antithrombotic approaches. Noninvasive site-specific thrombolysis current approach being used; however, usage characterized by following limitations: low targeting efficiency, poor ability penetrate clots, rapid half-life, lack of vascular restoration mechanisms, risk thrombus that comparable traditional pharmacological agents. Therefore, it vital develop an alternative technique can overcome aforementioned limitations. To this end, cotton-ball-shaped platelet (PLT)-mimetic self-assembly framework engineered phototherapeutic poly(3,4-ethylenedioxythiophene) (PEDOT) platform has been developed. This capable delivering synthetic peptide derived from hirudin P6 (P6) lesions, forming P6@PEDOT@PLT nanomotors for noninvasive thrombolysis, effective anticoagulation, restoration. Regulated P-selectin mediation, target site subsequently rupture under near-infrared (NIR) irradiation, achieving desirable sequential drug delivery. Furthermore, movement NIR irradiation enables penetration deep into enhancing bioavailability. Biodistribution analyses have shown administered exhibit extended circulation time metabolic capabilities. In addition, photothermal therapy/photoelectric therapy combination significantly augment effectiveness (ca. 72%) thrombolysis. Consequently, precisely delivered resultant phototherapeutic-driven heat-shock protein, immunomodulatory, anti-inflammatory, inhibitory plasminogen activator inhibitor-1 (PAI-1) activities restore vessels effectively prevent rethrombosis. The described biomimetic represent promising option improving efficacy in thrombus-related illnesses.

Язык: Английский

Процитировано

20

Nanomaterials as multimodal photothermal agents (PTAs) against ‘Superbugs’ DOI
Shubham Roy,

Jhilik Roy,

Bing Guo

и другие.

Journal of Materials Chemistry B, Год журнала: 2023, Номер 11(11), С. 2287 - 2306

Опубликована: Янв. 1, 2023

Superbugs, also known as multidrug-resistant bacteria, have become a lethal and persistent threat due to their unresponsiveness toward conventional antibiotics. The main reason for this is that superbugs can rapidly mutate restrict any foreign drug/molecule in vicinity. Herein, nanomaterial-mediated therapies set path shown burgeoning efficiency the ablation of superbugs. Notably, treatment modalities like photothermal therapy (PTT) prominence killing bacteria with ability generate local heat shock-mediated hyperthermia such species. However, has some serious limitations, high cost, complexity, even toxicity extent. Hence, it important resolve shortcomings PTTs they provide substantial tissue penetration. This why multimodal emerged taken over domain research past few years. In work, we summarized critically reviewed exceptional works recent times provided perspective enhance efficiencies. Profoundly, discuss design rationales novel agents (PTAs) shed light on mechanisms. Finally, challenges PTT-derived are presented, capable synergistic bactericidal prospects anticipated.

Язык: Английский

Процитировано

19

Photoresponsive Multirole Nanoweapon Camouflaged by Hybrid Cell Membrane Vesicles for Efficient Antibacterial Therapy of Pseudomonas aeruginosa‐Infected Pneumonia and Wound DOI Creative Commons
Hening Liu,

Lu Tang,

Yue Yin

и другие.

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Июль 15, 2024

Exploring effective antibacterial approaches for targeted treatment of pathogenic bacterial infections with reduced drug resistance is great significance. Combinational modality that leverages different therapeutic components can improve the overall effectiveness and minimize adverse effects, thus displaying considerable potential against infections. Herein, red blood cell membrane fuses macrophage to develop hybrid shell, which further camouflages around drug-loaded liposome fabricate biomimetic (AB@LRM) precise therapy. Specifically, photoactive agent black phosphorus quantum dots (BPQDs) classical antibiotics amikacin (AM) are loaded in AB@LRM accurately target inflammatory sites through guidance long residence capability membrane, eventually exerting efficacious activities. Besides, due excellent photothermal photodynamic properties, BPQDs act as an efficient when exposed near-infrared laser irradiation, dramatically increasing sensitivity bacteria antibiotics. Consequently, synergistic sterilizing effect produced by restricts resistance. Upon shows superior anti-inflammatory properties models P. aeruginosa-infected pneumonia wounds. Hence, this light-activatable nanoplatform good biocompatibility presents advance clinical development

Язык: Английский

Процитировано

8

Aggregation‐enhanced photothermal therapy of organic dyes DOI

Mengyun Yang,

Chendong Ji, Meizhen Yin

и другие.

Wiley Interdisciplinary Reviews Nanomedicine and Nanobiotechnology, Год журнала: 2024, Номер 16(3)

Опубликована: Май 1, 2024

Abstract Photothermal therapy (PTT) represents a groundbreaking approach to targeted disease treatment by harnessing the conversion of light into heat. The efficacy PTT heavily relies on capabilities photothermal agents (PTAs). Among PTAs, those based organic dyes exhibit notable characteristics such as adjustable absorption wavelengths, high extinction coefficients, and compatibility in biological systems. However, challenge associated with dye‐based PTAs lies their efficiency converting heat while maintaining stability. Manipulating dye aggregation is key aspect modulating non‐radiative decay pathways, aiming augment generation. This review delves various strategies aimed at improving performance through constructing aggregation. These including protecting from photodegradation, inhibiting non‐photothermal space within molecular aggregates, introducing intermolecular photophysical processes. Overall, this highlights precision‐driven assembly promising frontier enhancing PTT‐related applications. article categorized under: Therapeutic Approaches Drug Discovery > Emerging Technologies Nanomedicine for Oncologic Disease Diagnostic Tools In Vivo Nanodiagnostics Imaging

Язык: Английский

Процитировано

7